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LION COPPER & GOLD CORP.

For the period ended Feb 13, 2026. Filed Feb 18, 2026.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Feb 13, 2026 · Filed Feb 18, 2026

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LCU$4.20-4.3%Stored close · as of Nov 6, 2026
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Contents

EX-99.1 · 13.3 OPEN PIT

13.3 OPEN PIT

13.3.1 Geologic Model Importation

The 2025 resource estimates for the Yerington and VLT deposits were created using Hexagon's MinePlan software for mineralization domains, estimation, and block modelling. The block model was provided in the MinePlan format for open pit mine engineering purposes.

The 2025 MacArthur resource estimates were created in IMC resource modeling software, exported in CSV format and a mining model was then created for open pit planning.

Framework details of the open pit block models by area are provided in Table 13.2. The final mine planning model items are displayed in Table 13.3, Table 13.4, and Table 13.5. MinePlan® was used for the mining portion of the PFS, utilizing their Lerchs Grossman (LG) shell generation, pit and dump design and mine scheduling tools.

Measured and Indicated Mineral Resources were used in the PFS. Inferred mineral resources are treated as waste material.

Table 13.2: Open Pit Model Framework
Framework DescriptionYeringtonVLTMacArthur
MinePlan® file 10 (control file)YER10.datvlt10.datmcft10.dat
MinePlan® file 15 (model file)Yer15.in1vlt15.24bMcft24.15
X origin (m)244640024464002430000
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.